Home / 3,586.33-5,377.40-1,392.49

Finding the Fourth Proportional to 3,586.33, 5,377.40 and 1,392.49

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Solution

The fourth proportional to 3,586.33, 5,377.40 and 1,392.49 is: 2,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.33 : 5,377.40 = 1,392.49 : x
  2. Step 2: Convert to fraction form
    3,586.33/5,377.40 = 1,392.49/x
  3. Step 3: Cross multiply
    3,586.33x = 5,377.40 × 1,392.49
  4. Step 4: Simplify right side
    3,586.33x = 7,487,975.73
  5. Step 5: Solve for x
    x = 7,487,975.73/3,586.33
  6. Step 6: Final answer
    x = 2,087.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.